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Table 4 Correlations of body mass index (BMI) and percent body fat (%BF) or waist circumference (WC) by obesity or non-obesity according to the definition of obesity in Japanese children

From: Relationship of body mass index to percent body fat and waist circumference among schoolchildren in Japan - the influence of gender and obesity: a population-based cross-sectional study

 

Boys

Girls

 

Fourth graders

Seventh graders

Fourth graders

Seventh graders

 

Non-obesity

(n = 975)

Obesity

(n = 97)

Non-obesity

(n = 827)

Obesity

(n = 51)

Non-obesity

(n = 961)

Obesity

(n = 29)

Non-obesity

(n = 810)

Obesity

(n = 18)

%BF vs. BMI

0.57

0.53

0.52

0.17

0.96

0.70

0.95

0.83

WC vs. BMI

0.89

0.90

0.89

0.89

0.87

0.76

0.85

0.78

  1. Fourth graders are aged 9 or 10 years
  2. Seventh graders are aged 12 or 13 years
  3. Values are Pearson's correlation coefficients
  4. All values are statistically significant except the value of the obese seventh-grade boys
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BMC Public Health

ISSN: 1471-2458

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